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Finding the Fourth Proportional to 71,366.87, 98,482.02 and 39,533.47

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Solution

The fourth proportional to 71,366.87, 98,482.02 and 39,533.47 is: 54,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366.87 : 98,482.02 = 39,533.47 : x
  2. Step 2: Convert to fraction form
    71,366.87/98,482.02 = 39,533.47/x
  3. Step 3: Cross multiply
    71,366.87x = 98,482.02 × 39,533.47
  4. Step 4: Simplify right side
    71,366.87x = 3,893,335,983.21
  5. Step 5: Solve for x
    x = 3,893,335,983.21/71,366.87
  6. Step 6: Final answer
    x = 54,553.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.